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    41 

    42 #ifndef QABSTRACTEVENTDISPATCHER_H

    43 #define QABSTRACTEVENTDISPATCHER_H

    44 

    45 #include <QtCore/qobject.h>

    46 #include <QtCore/qeventloop.h>

    47 

    48 QT_BEGIN_HEADER

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 QT_MODULE(Core)

    53 

    54 class QAbstractEventDispatcherPrivate;

    55 class QSocketNotifier;

    56 template <typename T1, typename T2> struct QPair;

    57 

    58 class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject

    59 {

    60     Q_OBJECT

    61     Q_DECLARE_PRIVATE(QAbstractEventDispatcher)

    62 

    63 public:

    64     typedef QPair<int, int> TimerInfo;

    65 

    66     explicit QAbstractEventDispatcher(QObject *parent = 0);

    67     ~QAbstractEventDispatcher();

    68 

    69     static QAbstractEventDispatcher *instance(QThread *thread = 0);

    70 

    71     virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0;

    72     virtual bool hasPendingEvents() = 0;

    73 

    74     virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0;

    75     virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0;

    76 

    77     int registerTimer(int interval, QObject *object);

    78     virtual void registerTimer(int timerId, int interval, QObject *object) = 0;

    79     virtual bool unregisterTimer(int timerId) = 0;

    80     virtual bool unregisterTimers(QObject *object) = 0;

    81     virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0;

    82 

    83     virtual void wakeUp() = 0;

    84     virtual void interrupt() = 0;

    85     virtual void flush() = 0;

    86 

    87     virtual void startingUp();

    88     virtual void closingDown();

    89 

    90     typedef bool(*EventFilter)(void *message);

    91     EventFilter setEventFilter(EventFilter filter);

    92     bool filterEvent(void *message);

    93 

    94 Q_SIGNALS:

    95     void aboutToBlock();

    96     void awake();

    97 

    98 protected:

    99     QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &,

   100                              QObject *parent);

   101 };

   102 

   103 QT_END_NAMESPACE

   104 

   105 QT_END_HEADER

   106 

   107 #endif // QABSTRACTEVENTDISPATCHER_H